Final answer:
Detective Smith most likely needs the assistance of a geologist because geology involves the study of the Earth's materials, processes, and history. A geologist can analyze the geological features of the crime scene or other relevant locations, interpret the data, and provide valuable insights to help Detective Smith solve the case.
Step-by-step explanation:
Detective Smith most likely needs the assistance of a geologist because geology involves the study of the Earth's materials, processes, and history. In her current case, there may be geological aspects such as rock formations, minerals, or landforms that can provide important clues or evidence related to the crime she is investigating. A geologist can analyze the geological features of the crime scene or other relevant locations, interpret the data, and provide valuable insights to help Detective Smith solve the case.